<?php
// +---------------------------------------------------------------------+
// | OneBase    | [ WE CAN DO IT JUST THINK ]                            |
// +---------------------------------------------------------------------+
// | Licensed   | http://www.apache.org/licenses/LICENSE-2.0 )           |
// +---------------------------------------------------------------------+
// | Author     | Bigotry <3162875@qq.com>                               |
// +---------------------------------------------------------------------+
// | Repository | https://gitee.com/Bigotry/OneBase                      |
// +---------------------------------------------------------------------+

namespace app\api\controller;
/**
 * 支付接口控制器
 */
class Pay extends ApiBase
{
	/**
    * 支付宝
    */
	public function zfbpay(){
		return $this->apiReturn($this->logicPay->zfbpay($this->param));	
	}
    /**
     * 支付宝
     */
    public function pcpay(){
        return $this->apiReturn($this->logicPay->pcpay());
    }
	/**
    * 微信
    */
	public function wxpay(){
		return $this->apiReturn($this->logicPay->wxpay($this->param));	
	}
    /**
    * 查询支付结果
    */
	public function payStat(){
		return $this->apiReturn($this->logicPay->payStat($this->param));	
	}
	/**
     * 微信支付
     */
    public function wxpays(){
		$param=$this->param;
		$config=C('wx_config');	
		$order_goods=M('order_goods');
		$order_info=M('order_info');
		$order_sn = $param['goods'];
		$info=$order_goods->where(array('order_sn'=>$order_sn))->find();
		if(empty($info)){
			$this->response_json(10001,L('param_error'));	
		}
		$title=$order_info->where(array('order_sn'=>$order_sn))->getField('title');
		$body='购买商品';
		$subject=!empty($title)?$title:'购买商品';
		if($info['pay']==6){
			$money=$info['money'];
		}else{
			$money=$info['zfbmoney'];
		}
		//$money=0.01;
        $url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
        $onoce_str = $this->createNoncestr(); 
        $data["appid"] = $config['appid'];
        $data["body"] = $title;
        $data["mch_id"] = $config['mch_id'];
        $data["nonce_str"] = $this->createNoncestr();
        $data["notify_url"] = $config['notify_url'];
        $data["out_trade_no"] = $order_sn;
        $data["spbill_create_ip"] = $_SERVER['REMOTE_ADDR'];
        $data["total_fee"] = $money*100;
        $data["trade_type"] = "APP";
        $sign = $this->getSign($data); 			
        $data["sign"] = $sign; 
        $xml = $this->arrayToXml($data);	
        $response = $this->postXmlCurl($xml, $url); 
		//var_dump($response);exit;
        //将微信返回的结果xml转成数组
        $response = $this->xmlToArray($response); 	
		//把获取的$response参数重新二次签名
        $resignData = array(
			'appid'    =>    $response['appid'],
			'partnerid'    =>    $response['mch_id'],
			'prepayid'    =>    $response['prepay_id'],
			'noncestr'    =>    $response['nonce_str'],
			'timestamp'    =>    time(),
			'package'    =>    'Sign=WXPay'
        );
        $resignData['sign']=$this->getSign($resignData);
        //返回数据
		$this->response_json(10000,L('request_success'),$resignData);
    }
 
    public function getSign($Obj){
		$config=C('wx_config');
        foreach ($Obj as $k => $v){
            $Parameters[$k] = $v;
        }
        //签名步骤一：按字典序排序参数
        ksort($Parameters);
        $String = $this->formatBizQueryParaMap($Parameters, false);
        //echo '【string1】'.$String.'</br>';
        //签名步骤二：在string后加入KEY
        $String = $String."&key=".$config['api_key'];
        //echo "【string2】".$String."</br>";
        //签名步骤三：MD5加密
        $String = MD5($String);	
        //echo "【string3】 ".$String."</br>";
        //签名步骤四：所有字符转为大写
        $result_ = strtoupper($String);
        //echo "【result】 ".$result_."</br>";exit;
        return $result_;
    }
 
 
    /**
    *  作用：产生随机字符串，不长于32位
    */
     public function createNoncestr( $length = 16 ){
        $chars = "abcdefghijklmnopqrstuvwxyz0123456789"; 
        $str ="";
        for ( $i = 0; $i < $length; $i++ )  { 
            $str.= substr($chars, mt_rand(0, strlen($chars)-1), 1); 
        } 
        return $str;
    }
    //数组转xml
    public function arrayToXml($arr){
        $xml = "<xml>";
        foreach ($arr as $key=>$val){
            if (is_numeric($val)){
                $xml.="<".$key.">".$val."</".$key.">";
            }else{
                $xml.="<".$key."><![CDATA[".$val."]]></".$key.">"; 
            }
        }
        $xml.="</xml>";
        return $xml;
    }       
    /**
    *  作用：将xml转为array
    */
    public function xmlToArray($xml){  
        //将XML转为array       
        $array_data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);   
        return $array_data;
    }
    /**
    *  作用：以post方式提交xml到对应的接口url
    */
    public function postXmlCurl($xml,$url,$second=30){  
        //初始化curl       
        $ch = curl_init();
        //设置超时
        curl_setopt($ch, CURLOPT_TIMEOUT, $second);
        //这里设置代理，如果有的话
        //curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8');
        //curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
        curl_setopt($ch,CURLOPT_URL, $url);
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
        //设置header
        curl_setopt($ch, CURLOPT_HEADER, FALSE);
        //要求结果为字符串且输出到屏幕上
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
        //post提交方式
        curl_setopt($ch, CURLOPT_POST, TRUE);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
        //运行curl
        $data = curl_exec($ch);
        //返回结果
 
        if($data){
            curl_close($ch);
            return $data;
        }else{
            $error = curl_errno($ch);
            echo "curl出错，错误码:$error"."<br>";
            curl_close($ch);
            return false;
        }
    }
    /*
    获取当前服务器的IP
    */
    public function get_client_ip(){
        if ($_SERVER['REMOTE_ADDR']) {
            $cip = $_SERVER['REMOTE_ADDR'];
        } elseif (getenv("REMOTE_ADDR")) {
            $cip = getenv("REMOTE_ADDR");
        } elseif (getenv("HTTP_CLIENT_IP")) {
            $cip = getenv("HTTP_CLIENT_IP");
        } else {
            $cip = "unknown";
        }
        return $cip;
    }     
    /**
    *  作用：格式化参数，签名过程需要使用
    */
    public function formatBizQueryParaMap($paraMap, $urlencode){
        $buff = "";
        ksort($paraMap);
        foreach ($paraMap as $k => $v){
            if($urlencode){
                $v = urlencode($v);
            }
            $buff .= $k . "=" . $v . "&";
        }
        $reqPar;
        if (strlen($buff) > 0){
            $reqPar = substr($buff, 0, strlen($buff)-1);
        }
        return $reqPar;
    }
}
